Sagar Maitra

Sagar Maitra
Centurion University of Technology and Management · Agronomy and Agroforestry

PhD
Professor and Head, Agronomy & Agroforestry; & Coordinator of Research Center for Smart Agriculture, CUTM

About

265
Publications
203,861
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1,986
Citations
Citations since 2017
243 Research Items
1894 Citations
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Introduction
Sagar Maitra currently works as Professor and Head, Department of Agronomy and Agroforestry, Centurion University of Technology and Management. Sagar does research in Agronomy. Sagar Maitra's current research areas are 'Cropping System, Intercropping, Small Millets and Precision & Smart Agriculture'.

Publications

Publications (265)
Article
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A field experiment was conducted during the winter (rabi) season of 1996-97 and 1997-98 at Deochanda Experiment Station, Hazaribagh, to study the productivity of chickpea (Cicer arietinum L.)-based intercropping system with cereal, pulses and oilseeds in rainfed uplands of Bihar plateau. Intercropping of chickpea and safflower (Carthamus tinctoriou...
Article
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Abstract Intercropping, an age old agricultural practice of cultivating two or more crops in the same space at the same time is generally adopted for more production by utilizing available growth resources. Choice of crops is very important to reap a better harvest from intercropping. The selection of a suitable intercropping system is sort of com...
Article
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The scope for enhancement of productivity under irrigated conditions is limited because of over-exploitation of available resources, but there is ample opportunity for boosting yield in drylands by adopting suitable crops and cropping systems. The agricultural sustainability in drylands is comparatively hard to achieve due to different constraints...
Article
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Intensive agriculture is based on the use of high energy inputs, quality planting materials with assured irrigation, but it failed to assure agricultural sustainability because of creation of ecological imbalance and degradation of natural resources. On the other hand, intercropping system, also known as mixed cropping or polyculture, a traditional...
Article
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Water deficit stress exposure frequently constrains plant and agri-food production globally. Biostimulants (BSs) can be considered a new tool in mitigating water deficit stress. This study aimed to understand how BSs influence water deficit stress perceived by savory plants (Satureja hortensis L.), an important herb used for nutritional and herbal...
Article
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Environmental stresses such as drought, high salinity, and low temperature can adversely modulate the responses of field crops by altering the morphological, physiological, and biochemical processes in plants. It is estimated that about 50% of global crop productivity is limited due to various kinds of abiotic stresses. However, there are two ways...
Article
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A survey was conducted on farmers’ fields at Werugha and Wusi‐Kishamba wards in Taita Taveta County, Kenya to assess the factors influencing farmers' decisions on the use of bioslurry in the management of soil fertility. Knowledge gaps on bio‐slurry use provide contrasting claims about the value of bio‐slurry from source, storage and handling, crop...
Article
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Maize (Zea mays L.) cultivation is catching up in India to fulfil the future demand. Odisha is a non-traditional state for maize cultivation; however, it has been intensified in the state during last one and half decades. As maize is a wide spaced crop, the inter row space allows to grow the short statured crops such as legumes. Maize - legume inte...
Article
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The production of major field crops, namely, rice, wheat, and maize, is highly vulnerable to climatic factors and abiotic stresses. In the present era of climate change, abiotic factors emerged as limiting concerns for flourishing the growth and yield. Among the abiotic factors, temperature, soil moisture, salinity, elevated carbon dioxide levels a...
Chapter
Rising population and shrinking resource base require sustainable agricultural approach to fulfil the requirement of food-feed-fibre in the coming future. Achieving higher productivity from a shrinking resource base becomes even more difficult under the threat of a changing climate. As different crops respond differently to changing climate, hence...
Book
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Intercropping system is an age-old cropping system where two or more crops coexist for a significant time of their growth period. In the present context of negative impacts on crop productivity and soil fertility, a system approach in cropping has become more relevant. The book ‘Intercropping System’ is divided into nine chapters that deal with the...
Chapter
The brown-top millet has huge untapped potential for drylands in terms of assuring food, nutrition, and livelihood security to smallholders. As a drought-tolerant and climate-smart crop, it provides enough scope as an adaptation option to combat ill effects of global warming and climate change. The crop is resistant to various biotic and abiotic st...
Chapter
Globally, a continuous and swift increase in population raised the water demand. Due to scarcity in available freshwater resources, ground water turned out to be a key source of water for crop and human consumption. Recently, many groundwater aquifers across the world reported exceeding the limits of the prescribed arsenic level, in turn raising a...
Article
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Intensive tillage coupled with imbalanced nutrient management in maize-wheat systems in low-carbon calcareous soils often results in poor productivity vis-à-vis degradation in soil health. Conservation tillage viz. permanent bed planting (PB) and zero tillage (ZT)/ direct seeding with residue retention coupled with precision nutrient management mig...
Chapter
Aluminium (Al) is the primary reason for toxicity in acid soils due to the phytotoxicity of these soils along with high mineral content (Rahman et al. 2018). There is reduction in nutrient and water uptake in the root tip of plant caused by Al toxicity because of cell divi- sion and elongation (Yang et al. 2013). Many crops and/or crop species show...
Chapter
Waterlogging stress in wheat caused severe damage to the crop as it cannot withstand under waterlogged conditions. This stress ceases root and stem growth in wheat plants because reduction in plant height, decrease in spike-bearing tillers, and reduction in grain yield have been observed. Waterlogged stress resulted in average decreases of 39%–44%...
Article
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Rice holds key importance in food and nutritional security across the globe. Nutrient management involving rice has been a matter of interest for a long time owing to the unique production environment of rice. In this research, an artificial neural network-based prediction model was developed to understand the role of individual nutrients (N, P, K,...
Article
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Purpose This study assessed the synergistic effect of inoculation and phosphatic fertilizer application on nodulation, yields, economic returns, P uptake and use efficacy of soybean. Methodology The experiment was carried out during the two growing seasons of 2021 (long and short rains) in Uganda with experiment laid out under a split-plot arrangem...
Article
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Maize, an essential food item in Kenya, is grown in soils characterized by low pH and low plant-available phosphorus (P), particularly in the Western part of the nation. Low available P and soil acidity are the fundamental causes of low soil fertility in many cropped soils. Such farms are also characterized by low soil nitrogen (N) and inadequate u...
Article
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This paper highlights the importance of sunflower, and its current status, giving the prospects of improving its production through intercropping it with sunn hemp legume. The review focuses on Tanzania, where smallholder farmers mainly produce sunflower as a cash crop and a source of vegetable oil. The crop’s production is threatened by decreased...
Article
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This is an Open Access Journal / article distributed under the terms of the Creative Commons Attribution License (CC BY-NC-ND 3.0) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. All rights reserved. Greengram(Vigna radiate L.) is a source of quality protein which content n...
Article
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This is an Open Access Journal / article distributed under the terms of the Creative Commons Attribution License (CC BY-NC-ND 3.0) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. All rights reserved. Maize an important cereal is highly influenced by nitrogen application. Mo...
Article
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Conventional farming methods and technologies prevalent in India are no longer able to increase productivity. Instead, they are continuously increasing the hazard caused to the environment. Thus, the hazard caused to the environment needs to be overcome for the betterment of the rare planet earth. The traditional methods of sowing, irrigation, fert...
Article
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Cereals are considered as the major staple food and main source of dietary energy, but the gradual increase in climate change impacts on growth and productivity of cereals leading to huge yield loss and thereby, threatening the food and nutritional security. In a large sense, change in climatic conditions affects the adaptability of the crop to a p...
Article
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Finger millet (Eleusine coracana L. Gaertn) is a vital minor millet that is considered as ‘nutri-cereal’. Demand for finger millet is increasing day by day as compared to other minor or small millets, as it is rich in iron, calcium phosphorous, vitamin A and B and richest source ofcalcium.Use of only chemical fertilizer through increases yield, als...
Article
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Saline soil is a current and constant growing problem in the whole world as well as in India. Many kinds of natural and also man-made happenings are the cause of the increase in saline soil. Because of an increase of saline soil area in India, productivity of many agricultural lands is decreasing. As a result, agricultural production in many are...
Article
Irrigation management is one of the key aspects in crop production. Proper scheduling of irrigation can result in higher water use efficiency and thereby conserving water resources. In south Odisha conditions during rabi the crops are raised through manual irrigation. During rabi maize is one of the important crops in this location and this crop re...
Chapter
Millets are coarse cereals belonging to the family Poaceae, which is cultivated since the ancient period of civilization. Among different millets, small or minor millets are treated as neglected crops due to their low-yield potential compared to major millets (sorghum and pearl millet) and fine cereals (rice, wheat and maize). In spite of their ver...
Article
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In crop plants, the physiological basis of dry matter production is dependent on the source-sink concept, where the source is the potential capacity for photosynthesis and the sink is the potential capacity to utilize the photosynthetic products. This review focuses on the current understanding of source-sink relationship in plants, physiological p...
Article
Maize is one of the important cereal crops in India as well as the world. The crop responds well to added nutrients and the application of optimum nutrients is essential to improve the productivity of maize. Hence, to find out the effe ct of differe nt macronutrients on maize, a field experiment was carried out nutrient omission plot technique duri...
Article
Full-text available
Irrigation management is one of the key aspects in crop production. Proper scheduling of irrigation can result in higher water use efficiency and thereby conserving water resources. In south Odisha conditions during rabi the crops are raised through manual irrigation. During rabi maize is one of the important crops in this location and this crop re...
Article
Full-text available
The present experiment has been carried out at the research farm at Bagusala under M. S. Swaminathan School of Agriculture, Centurion University of Technology and Management, Odisha during the year 2021 to find out the response of summer Maize (Zea mays L.) to different doses of Nitrogen and Potassium. The experiment was laid out with total number...
Article
Full-text available
Maize an important cereal is highly influenced by nitrogen application. Moreover, non-judicious use of nitrogenous fertilizer is not only costly but also harmful to agroecosystem. Considering the above facts, a field experiment was designed at the Agriculture Farm of Centurion University of Technology and Management, Odisha, India during summer of...
Article
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India, a leading fruit producing country, ranks first in banana cultivation. The crop is highly water demanding and that appears as a limitation in several areas. However, micro-irrigation has the potential to address the issue. Moreover, mulching with black plastic sheet further facilitates efficient water use. The combined application of micro-ir...
Article
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Maize being the third important cereal crop after rice and wheat in terms of area and production plays an important role in food security. Like other cereal crops it utilizes greater amount of nutrients from soil. Still the farmers are not getting potential yield in summer maize. Foliar application of nutrients like nitrogen and potassium can enhan...
Article
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Oilseed crops can be cultivated widely in different agro-ecological conditions for the oil content in their seeds. Among different oilseeds, sunflower, is a vital edible oilseed that needs well-balanced nutrition for achieving enhanced oil quality and productivity. Considering the above, a field experiment was conducted during the rabi season of 20...
Article
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Globally, to meet the increased food demand due to the rapidly expanding population, overuse of nitrogen-based fertilizers is escalating. Unprecedented use of nitrogen besides polluting the environment, it brings about amplified susceptibility to biotic and abiotic stress. Maize is the predominant crop in rainfed regions of Southern Odisha. Hence,...
Article
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Maize (Zea mays L.), the queen of cereals, has versatile use as food, feed and industrial purpose and the area under maize is increasing during recent times. As a widely spaced crop, it offers inclusion of intercrops without reducing the optimum plant stand. Intercropping legumes in maize is widely practiced to herness the efficient use of resource...
Article
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An experiment on the response of maize (Zea mays) to different levels of nitrogen and phosphorus was conducted during the summer season of 2021 at Experimental Farm, M. S. Swaminathan School of Agriculture, Centurion University of Technology and Management, Odisha. The experiment was laid out in a split-plot design comprising four levels of nitroge...
Article
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India imports edible vegetable oil to fulfil the domestic requirement and there is a need for enhancement of productivity of oilseeds in the country. Sesame (Sesamum indicum L.), a short duration oilseed, grows well during different seasons under various cropping systems. The average productivity of sesame in India is low and that can be increased...
Article
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Gerbera is one of the important high values cut flower crops and occupied an important place among the elite top ten cut flowers in the international market. There are more than 300 cultivars available throughout the world for commercial production. To find out the best performing cultivars for South Odisha conditions, 10 gerbera hybrids, viz., Sta...
Article
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The demand supply gap between production of edible oilseeds and domestic need for edible oils warrants increase in production of edible oilseeds in India. Hence, there is a scope for adoption of appropriate cropping systems with improved agronomic practices. Sesame (Sesamum indicum L.) and groundnut (Arachis hypogaea L.) are two important oilseeds...
Article
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India is a leading producer of oilseeds and importer of vegetable oil in the world. To ensure self-sufficiency in oilseeds production, the country needs to enhance production and productivity through adoption of improved technologies. Among different edible oilseeds, sesame (Sesamum indicum L.) grows well during different seasons under various crop...
Article
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During the recent time, small millets are re-evaluated as 'nutri-cereals' because of their nutritional quality. Among various small millets, finger millet (Eleusine coracana L. Gaertn) is of prime importance due to its potential in terms of production and productivity. Though finger millet is a less nutrient demanding crop, improved varieties respo...
Article
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An experiment was conducted at Breeder seed Production Centre (BSPC), Debiganj, Panchagarh during the Rabi season of 2015-2016, 2016-2017 and 2017-2018 to study the response of nitrogen levels on the growth, yield and quality of high yielding potato varieties in Tista Meander Floodplain Soil of Bangladesh. There were five treatments comprising diff...
Article
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Lead (Pb) has phytotoxic and toxic effects on plants and animals. Leafy vegetables accumulate this element resulting in enrichment along the food chain. Silicon has beneficial effects in enhancing plants’ tolerance to biotic and abiotic stresses including heavy metals such as Pb. The study was carried out under greenhouse and field conditions aimin...
Chapter
The growth and development of plants are affected by the adverse effect of environmental stresses including drought, salinity, high temperature, and toxic metal accumulation. Under environmental stresses, cell oxidative damage of plants generally occurs as a consequence of the overproduction of reactive oxygen species (ROS). While tolerant plants c...
Article
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Intercropping is a type of crop intensification where more than two or more crops are cultivated simultaneously for efficient resource utilization and more productivity from unit area. Maize (Zea mays L.) considered as an important staple and versatile crop that offers ample scope for adoption of intercropping. Legumes are suitable crops that fit w...
Article
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Considering nutrient delivery and micronutrient use efficiency problems, mesoporous nanosilica (mNs) and reduced graphene oxide (rGO)-based iron and zinc nanocomposites were formulated. Prepared nanocomposites were characterized for FTIR spectroscopy, XRD, FE-SEM, HR-TEM, and AAS to examine surface functional groups, morphology, and structural comp...
Article
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Gerbera (Gerbera jamesonii), a high value cut flower can be grown in tropical and subtropical climate under controlled environment conditions in greenhouse. The flower has a stedy demand in domestic as well as in international market. Considering the above, an experiment was carried out to assess the performance of nine gerbera hybrids, namely, Ank...
Article
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Plastic film mulching has a significant impact on agriculture leading to enhancement of soil temperature and maintenance of soil water along with management of weeds population. In certain areas, this has eased soil salinity by restricting the evaporation and capillary movement of ground water and thus, accumulation of salts on the top soil is chec...
Article
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Weed management has become the most important and inevitable aspect of crop management for achieving a higher rice yield. Nowadays, chemical herbicide application has become a popular practice for managing weeds in different rice cultures. However, herbicide application can have qualitative and quantitative impacts on soil microorganisms and soil e...
Article
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The yield enhancement in ginger, an important spice cum medicinal crop, can be obtained by scientific water management strategies. For maximizing the water productivity with reduced losses drip irrigation can be adopted along with plastic mulching. Considering the above, a field study was conducted during 2020-2021 at the Centurion University of Te...
Article
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This study aimed to evaluate the effect of Farm Yard Manure (FYM), mineral fertilizers (nitrogen and phosphorus), and their combination on the production of Gadam sorghum in a Kenya Semi-arid region of Makueni and Machakos counties. The first experiment evaluated the response of sorghum to N and P application at four levels (0, 25, 50, 75 kg ha-1)...
Article
Full-text available
This study aimed to evaluate the effect of Farm Yard Manure (FYM), mineral fertilizers (nitrogen and phosphorus), and their combination on the production of Gadam sorghum in a Kenya Semi-arid region of Makueni and Machakos counties. The first experiment evaluated the response of sorghum to N and P application at four levels (0, 25, 50, 75 kg ha-1)...
Chapter
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Soil health management is a prime concern to ensure agricultural sustainability. Dwindling soil fertility as well as declining soil health is one of the great challenges of the present time to feed the world population. Injudicious use of chemical fertilizers may negatively affect soil health. Further, chemical fertilizer production is associated w...
Chapter
Osmoprotectants are established as essential biomolecules that play significant roles in plants to overcome the stresses of various harsh environments such as temperature variability, drought, salinity, heavy metals, pesticide toxicity, and nutrients deficiency. These compounds beneficial effects in plant cells through various physiological respons...
Chapter
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In agriculture, the exceptional significance of micronutrient is unavoidable, as plant relies primarily on micronutrient. Although required in small amounts of micronutrients, viz., B, Cu, Fe, Mn, Zn, they have a prominent role to play in improving yield potentials under stressed conditions. There is a large number of elements in nature out of whic...
Article
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Continuous mono-cropping of rice has resulted in decline or stagnation of yield output due to the occurrence of multiple nutrient deficiencies and worsening of soil physicochemical properties accompanying increased pressure of insect pests and diseases. The basic concept of integrated nutrient management (INM) is maintenance or adjustment of soil f...
Chapter
Climate change implies some alterations in the natural system and as a result, both the human being and natural system face challenges. The cumulative effect of all abnormalities in climatic parameters causes hindrances to plants also. Perhaps the best test within recent memory as transformative biologists is to foresee how to plant populaces will...
Chapter
The abiotic stresses such as unfavorable temperature, drought, flood, salinity, and heavy metal stress are considered as major factors causing a huge impression on crop growth and productivity. The abiotic stresses can reduce as much as 50% of benefits for some important crops in the world through altering the physiological, morphological, biochemi...
Chapter
Extreme events of abiotic stress conditions such as high temperatures, prolonged drought, salinity, metal toxicity, intense rains, flooding, frost, and low temperatures affect the productivity of crops as well as significantly affect plants and soil microorganisms. The composite and active connections between microorganisms and plant roots during a...
Chapter
Both as of late actualized genomic approaches and old-style microbiology strategies keep on building up the study of plant-microorganism collaborations. These examinations of plant microbiome have benefitted from sweeping natural on one hand and reductionist automated exposures on the other. The age of immense confine assortments, what’s more, the...
Chapter
Sewage and sludge constitute liquid and solid fractions of the city sewerage system. The raw sewage usually consists of water carrying various solids partly in solution and partly in suspension. Sewage is a rich source of plant nutrients and in addition, contains suspended solids in the form of solid organic matter. Sewage has been used in agricult...
Chapter
Sewage sludge is an unavoidable byproduct of the wastewater treatment course. Rising population, and growing urbanization contributes to a sizeable quantity of sewage sludge production. Disposal of such a huge amount of waste requires environmentally safe and economically viable options. Though the applications of sludge to the agricultural field c...
Chapter
Several estimations projected that the population across the globe is an approach to reach 9.6 billion by 2050, which will create great challenges particularly food security under the situation of climate change; ultimately lead to influence greenhouse gases (GHGs) emission as a result of intensive farming systems with traditional technologies. Leg...
Article
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Cultivation of pulses fit well to various cropping system and show climate-resileince.,Pulses are low external input demanding, can fix atmospheric nitrogen biologically and improve soil health. Among different pulses, green gram (Vigna radiata L.) is considered as an important crop in India. The crop responds to exogenous application of phosphorus...
Article
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Plant nutrient management by organic input includes application of different organic manures, namely, bulky organic manures and concentrates and biofertilizers. Undoubtedly, these inputs are having low analytical value, but they are ecofriendly and improve soil health. The non-judicious application of huge quantity of chemical fertilizers resulted...
Article
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Precision nutrient management is an important aspect of agriculture that accurately defines key factors for productivity improvement, sustainability, profitability and climate change. Improved grain production but do not improve the efficiency of certain nutritious foods. Assessment of plant nutrient needs much very effective for plant growth and d...
Article
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Intensive farming system is commonly followed in modern day agriculture owing to rise in population to meet the high food demand. In intensive farming, the farmer need high economic input and knowledge for managing the land and crop considering the fast paced crop rotation in the field and high input use. However use of higher amount of chemical in...
Article
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In agriculture weed management plays a prominent role in ensuring food and nutritional security. Weeds usually compete with crops for various limiting natural resources determining the growth, yield and quality of crop, respectively. Herbicide based weed management is one of the successful methods of weed control. Continuous use of herbicides resul...
Article
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India is one of the key producers of cereals, pulses, oilseeds and other agricultural crops. Currently, the majority of farmers in North India follows the rice-wheat cropping system which produces a bulk amount of uneconomical yield (Straw).With the increase in the crop production, the crop residues are also increasing and ultimately due to several...